diff --git a/.gitattributes b/.gitattributes
index d30e075..0ff1092 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -7,7 +7,6 @@
 /.github/workflows/cdk-deploy-dev.yml linguist-generated
 /.github/workflows/cdk-deploy-test.yml linguist-generated
 /.github/workflows/cdk-validate.yml linguist-generated
-/.github/workflows/pull-request-lint.yml linguist-generated
 /.gitignore linguist-generated
 /.projen/** linguist-generated
 /.projen/deps.json linguist-generated
diff --git a/.github/workflows/pull-request-lint.yml b/.github/workflows/pull-request-lint.yml
deleted file mode 100644
index 94ed431..0000000
--- a/.github/workflows/pull-request-lint.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-# ~~ Generated by projen. To modify, edit .projenrc.py and run "uv run projen".
-
-name: pull-request-lint
-on:
-  pull_request_target:
-    types:
-      - labeled
-      - opened
-      - synchronize
-      - reopened
-      - ready_for_review
-      - edited
-  merge_group: {}
-jobs:
-  validate:
-    name: Validate PR title
-    runs-on: ubuntu-latest
-    permissions:
-      pull-requests: write
-    if: (github.event_name == 'pull_request' || github.event_name == 'pull_request_target')
-    steps:
-      - id: validate-pr-title
-        uses: amannn/action-semantic-pull-request@v6
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          types: |-
-            feat
-            fix
-            chore
-            refactor
-            perf
-            docs
-            style
-            test
-            build
-            ci
-          requireScope: false
diff --git a/.gitignore b/.gitignore
index b6c1ae2..0ba2e34 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,7 +11,6 @@ node_modules/
 !/.projen/tasks.json
 !/.projen/deps.json
 !/.projen/files.json
-!/.github/workflows/pull-request-lint.yml
 !/pyproject.toml
 __pycache__/
 *.py[cod]
diff --git a/.projen/files.json b/.projen/files.json
index 70c38e3..6742240 100644
--- a/.projen/files.json
+++ b/.projen/files.json
@@ -6,7 +6,6 @@
     ".github/workflows/cdk-deploy-dev.yml",
     ".github/workflows/cdk-deploy-test.yml",
     ".github/workflows/cdk-validate.yml",
-    ".github/workflows/pull-request-lint.yml",
     ".gitignore",
     ".projen/deps.json",
     ".projen/files.json",
diff --git a/.projenrc.py b/.projenrc.py
index 445ab9d..3f3bb21 100644
--- a/.projenrc.py
+++ b/.projenrc.py
@@ -11,7 +11,6 @@
 from src.bin.cicd_helper import (
     cdk_validate_workflow,
     github_cicd,
-    pin_github_actions,
 )
 from src.bin.env_helper import CDK_VALIDATE_COMMAND, cdk_action_task
 
@@ -60,24 +59,7 @@
             "requires_python": python_requires,
         },
     },
-    github_options={
-        "pull_request_lint_options": {
-            "semantic_title_options": {
-                "types": [
-                    "feat",
-                    "fix",
-                    "chore",
-                    "refactor",
-                    "perf",
-                    "docs",
-                    "style",
-                    "test",
-                    "build",
-                    "ci",
-                ],
-            },
-        },
-    },
+    github_options={"pull_request_lint": False},
     git_ignore_options={
         "ignore_patterns": [
             "__pycache__",
@@ -118,9 +100,6 @@
 
 gh = project.github
 
-# Keep projen-managed workflows (pull-request-lint) on the same action versions
-pin_github_actions(gh)
-
 # Validate the CDK app offline on every pull request (no AWS credentials required)
 cdk_validate_workflow(
     gh,
diff --git a/src/bin/cicd_helper.py b/src/bin/cicd_helper.py
index 523fd45..4926a18 100644
--- a/src/bin/cicd_helper.py
+++ b/src/bin/cicd_helper.py
@@ -1,25 +1,16 @@
 from projen import github
 
-# Pinned GitHub Actions used by every workflow in this repo. `.projenrc.py` registers these
-# with projen's actions provider so projen-managed workflows (pull-request-lint)
-# render the same versions as the workflows built here.
+# Pinned GitHub Actions used by every workflow in this repo.
 GITHUB_ACTIONS = {
     "checkout": "actions/checkout@v7",
     "cache_restore": "actions/cache/restore@v6",
     "cache_save": "actions/cache/save@v6",
     "configure_aws_credentials": "aws-actions/configure-aws-credentials@v6",
-    "semantic_pull_request": "amannn/action-semantic-pull-request@v6",
     "setup_python": "actions/setup-python@v7",
     "setup_uv": "astral-sh/setup-uv@v10.0.1",  # setup-uv publishes no floating v10 tag
 }
 
 
-def pin_github_actions(gh):
-    """Register GITHUB_ACTIONS with projen's actions provider so every workflow uses the same versions."""
-    for action in GITHUB_ACTIONS.values():
-        gh.actions.set(action.split("@")[0], action)
-
-
 def cdk_environment_steps(python_version, cdk_cli_version, aws_credentials=None):
     """Checkout, Python, uv, project dependencies and the CDK CLI."""
     return [